981170060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{877}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 2240438256

約数和(自身を除く): 1259268196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 331, 338, 662, 676, 845, 877, 1324, 1655, 1690, 1754, 3310, 3380, 3508, 4303, 4385, 6620, 8606, 8770, 11401, 17212, 17540, 21515, 22802, 43030, 45604, 55939, 57005, 86060, 111878, 114010, 148213, 223756, 228020, 279695, 290287, 296426, 559390, 580574, 592852, 741065, 1118780, 1161148, 1451435, 1482130, 2902870, 2964260, 3773731, 5805740, 7547462, 15094924, 18868655, 37737310, 49058503, 75474620, 98117006, 196234012, 245292515, 490585030, 981170060]

約数ペア:

[(1, 981170060), (2, 490585030), (4, 245292515), (5, 196234012), (10, 98117006), (13, 75474620), (20, 49058503), (26, 37737310), (52, 18868655), (65, 15094924), (130, 7547462), (169, 5805740), (260, 3773731), (331, 2964260), (338, 2902870), (662, 1482130), (676, 1451435), (845, 1161148), (877, 1118780), (1324, 741065), (1655, 592852), (1690, 580574), (1754, 559390), (3310, 296426), (3380, 290287), (3508, 279695), (4303, 228020), (4385, 223756), (6620, 148213), (8606, 114010), (8770, 111878), (11401, 86060), (17212, 57005), (17540, 55939), (21515, 45604), (22802, 43030)]